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Direct linkRomine, William L.; Todd, Amber N.; Clark, Travis B. – Science Education, 2016
We developed and validated a new instrument, called "Measuring Concept progressions in Acid-Base chemistry" (MCAB) and used it to better understand the progression of undergraduate students' understandings about acid-base chemistry. Items were developed based on an existing learning progression for acid-base chemistry. We used the Rasch…
Descriptors: Test Construction, Chemistry, Undergraduate Students, Scientific Concepts
